package com.nosnow.order.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.github.wxpay.sdk.WXPayUtil;
import com.nosnow.order.entity.Order;
import com.nosnow.order.entity.PayLog;
import com.nosnow.order.mapper.OrderMapper;
import com.nosnow.order.mapper.PayLogMapper;
import com.nosnow.order.service.PayLogService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.nosnow.order.utils.HttpClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author bingheng
 * @since 2020-05-24
 */
@Service
public class PayLogServiceImpl extends ServiceImpl<PayLogMapper, PayLog> implements PayLogService {

    @Autowired
    private OrderMapper orderMapper;

    @Override
    public Map<String, Object> createNative(String orderNo) throws Exception{
        // 根据订单Id获取订单信息
        QueryWrapper<Order> wrapper = new QueryWrapper<>();
        wrapper.eq("order_no", orderNo);
        Order order = orderMapper.selectOne(wrapper);

        // 设置支付参数
        Map<String, String> map = new HashMap<>();
        map.put("appid","wx74862e0dfcf69954");
        map.put("mch_id", "1558950191");
        map.put("nonce_str", WXPayUtil.generateNonceStr());
        map.put("body", order.getCourseTitle()); //课程标题
        map.put("out_trade_no", orderNo); //订单号
        map.put("total_fee", order.getTotalFee().multiply(new BigDecimal("100")).longValue()+"");
        map.put("spbill_create_ip", "127.0.0.1");
        map.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify\n");
        map.put("trade_type", "NATIVE");

        // 发送httpclient请求，传递参数xml格式，微信支付提供的固定的地址
        HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");

        //设置xml格式的参数
        client.setXmlParam(WXPayUtil.generateSignedXml(map,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
        client.setHttps(true);

        // 执行post请求
        client.post();

        // 得到发送请求返回结果返回内容，是使用xml格式返回
        String xml = client.getContent();

        // 把xml格式转换map集合，把map集合返回
        Map<String,String> resultMap = WXPayUtil.xmlToMap(xml);

        // 最终返回数据的封装
        Map<String, Object> returnMap = new HashMap<>();
        returnMap.put("out_trade_no", orderNo);
        returnMap.put("course_id", order.getCourseId());
        returnMap.put("total_fee", order.getTotalFee());
        returnMap.put("result_code", resultMap.get("result_code"));  //返回二维码操作状态码
        returnMap.put("code_url", resultMap.get("code_url"));        //二维码地址
        return returnMap;
    }

    @Override
    public Map<String, String> queryPayStatus(String orderNo) throws Exception{
        // 封装参数
        Map<String, String> paramMap = new HashMap<>();
        paramMap.put("appid", "wx74862e0dfcf69954");
        paramMap.put("mch_id", "1558950191");
        paramMap.put("out_trade_no", orderNo);
        paramMap.put("nonce_str", WXPayUtil.generateNonceStr());

        // 发送httpClient请求
        HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
        client.setXmlParam(WXPayUtil.generateSignedXml(paramMap,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
        client.setHttps(true);
        client.post();

        // 获取到请求返回的内容
        String xml = client.getContent();
        Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
        return resultMap;
    }

    @Override
    public void updateOrderStatus(Map<String, String> map) {
        // 根据订单号获取订单信息
        QueryWrapper<Order> wrapper = new QueryWrapper<>();
        wrapper.eq("order_no", map.get("out_trade_no"));
        Order order = orderMapper.selectOne(wrapper);

        // 更新订单表订单状态
        if(order.getStatus() == 1){
            return;
        }
        order.setStatus(1);//1代表已经支付
        orderMapper.updateById(order);

        //向支付表添加支付记录
        PayLog payLog = new PayLog();
        payLog.setOrderNo(map.get("out_trade_no"));             //订单号
        payLog.setPayTime(new Date());                          //订单完成时间
        payLog.setPayType(1);                                   //支付类型 1微信
        payLog.setTotalFee(order.getTotalFee());                //总金额(分)
        payLog.setTradeState(map.get("trade_state"));           //支付状态
        payLog.setTransactionId(map.get("transaction_id"));     //流水号
        payLog.setAttr(JSONObject.toJSONString(map));
        baseMapper.insert(payLog);
    }
}
